STONE ROOFING ASSOCIATION
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A TOUR OF THE STONE SLATE REGIONS
Introduction: Stone-slate geology
Stratigraphy
Rocks and climate
Map
Cretaceous - Wealden
Jurassic
Permian and Triassic
Carboniferous
Devonian - Old Red Sandstone
Silurian - Pridoli: The Tilestones
Ordovician
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